Mexico

$79+ Cheap flights from Ontario (ONT) to Mexico

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — MEX
Jul 4 — Jul 111
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ontario to Mexico with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ontario to Mexico

Cheapest flights from Ontario to Mexico
Explore the most affordable flight options available from Ontario to Mexico. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 4, 2026.

This Super.com deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:55 am
ONT
-
CUN
1 stop12h 33m
Volaris
Mon 9/1412:49 pm
CUN
-
ONT
1 stop12h 16m
Volaris
Deal found 5/30$240
This Justfly.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:36 pm
ONT
-
MEX
1 stop8h 49m
Volaris
Wed 9/3012:00 pm
MEX
-
ONT
1 stop12h 05m
Volaris
Deal found 6/1$272
This Justfly.com deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/69:36 pm
ONT
-
MEX
1 stop8h 49m
Volaris
Thu 7/94:35 pm
MEX
-
ONT
1 stop7h 30m
Volaris
Deal found 5/30$277
This Kiwi.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/29:36 pm
ONT
-
GDL
Nonstop3h 03m
Volaris
Thu 7/98:59 pm
GDL
-
ONT
Nonstop3h 06m
Volaris
Deal found 6/1$278
This Kiwi.com deal was found by Cheapflights users on 6/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/189:36 pm
ONT
-
GDL
Nonstop3h 03m
Volaris
Wed 8/265:40 pm
GDL
-
ONT
Nonstop3h 06m
Volaris
Deal found 6/2$279
This FlightHub deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/59:36 pm
ONT
-
MEX
1 stop8h 49m
Volaris
Thu 7/94:35 pm
MEX
-
ONT
1 stop7h 30m
Volaris
Deal found 5/30$280
This Kiwi.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/2312:55 am
ONT
-
GDL
Nonstop3h 03m
Volaris
Mon 8/248:59 pm
GDL
-
ONT
Nonstop3h 06m
Volaris
Deal found 6/1$280
This Super.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:55 am
ONT
-
GDL
Nonstop3h 03m
Volaris
Tue 7/78:59 pm
GDL
-
ONT
Nonstop3h 06m
Volaris
Deal found 6/1$281
This Super.com deal was found by Cheapflights users on 5/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:36 pm
ONT
-
GDL
Nonstop3h 03m
Volaris
Tue 7/78:59 pm
GDL
-
ONT
Nonstop3h 06m
Volaris
Deal found 5/30$282
This Super.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/412:55 am
ONT
-
GDL
Nonstop3h 03m
Volaris
Sun 7/128:59 pm
GDL
-
ONT
Nonstop3h 06m
Volaris
Deal found 6/1$283
This Justfly.com deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/39:36 pm
ONT
-
MEX
1 stop8h 49m
Volaris
Thu 7/94:35 pm
MEX
-
ONT
1 stop7h 30m
Volaris
Deal found 6/1$284
This FlightHub deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/19:36 pm
ONT
-
GDL
Nonstop3h 03m
Volaris
Fri 7/38:59 pm
GDL
-
ONT
Nonstop3h 06m
Volaris
Deal found 6/1$284

Find flight deals from Ontario to Mexico

Keep the following information in mind while searching for Ontario to Mexico flight deals. Data was last updated June 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$240
(Super.com)

One-way from

$79
(Super.com)

Popular in

December

Cheapest in

September

Average price

$399

Good round-trip deal

$229 or less

Good one-way deal

$101 or less
Provider with most accurate pricing for Los Angeles-Mexico City Benito Juarez flight deals.
Provider most trusted by Cheapflights users for Los Angeles-Mexico City Benito Juarez flights.
From Ontario to Mexico
One-way flight from Ontario to Mexico
Highest demand for flights based on searches. 8% potential increase in price ($38 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in June 2026
Price to beat on a round-trip flight from Ontario to Mexico.
Price to beat on a one-way flight from Ontario to Mexico.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Mexico that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 4, 2026.
Use the filters below to find and compare flights from Ontario to Mexico that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioPuerto Vallarta

ONT - PVR

ONTPVR

Ontario

Sun 7/5

12:55 am-9:23 am

1 stop7h 28m

Puerto Vallarta Ordaz

Fri 7/10

12:13 pm-11:05 pm

1 stop11h 52m

$344

OntarioGuadalajara

ONT - GDL

ONTGDL

Ontario

Wed 8/5

6:20 am-8:07 pm

1 stop12h 47m

Guadalajara Miguel Hidal

Sat 8/15

3:50 pm-10:23 pm

1 stop7h 33m

$353
Quickest round-trip

OntarioGuadalajara

ONT - GDL

ONTGDL

Ontario

Fri 7/3

9:36 pm-1:39 am

Nonstop3h 03m

Guadalajara Miguel Hidal

Mon 7/13

5:40 pm-7:46 pm

Nonstop3h 06m

$391

OntarioGuadalajara

ONT - GDL

ONTGDL

Ontario

Sat 6/13

5:45 am-1:34 pm

1 stop6h 49m

Guadalajara Miguel Hidal

Thu 6/18

5:00 am-10:51 pm

1 stop18h 51m

$449

OntarioGuadalajara

ONT - GDL

ONTGDL

Ontario

Mon 8/10

6:00 am-8:07 pm

2 stops13h 07m

Guadalajara Miguel Hidal

Sat 8/15

3:50 pm-10:23 pm

1 stop7h 33m

$473

OntarioSan José del Cabo

ONT - SJD

ONTSJD

Ontario

Thu 7/23

9:36 pm-8:16 am

1 stop10h 40m

San José del Cabo Los Cabos

Thu 7/30

3:36 pm-11:05 pm

1 stop7h 29m

$481

OntarioPuebla City

ONT - PBC

ONTPBC

Ontario

Sat 9/5

9:36 pm-5:10 pm

2 stops18h 34m

Puebla City Huejotzingo

Sat 9/12

8:26 am-7:46 pm

1 stop12h 20m

$482

OntarioPuerto Vallarta

ONT - PVR

ONTPVR

Ontario

Sun 6/7

9:36 pm-3:34 pm

2 stops16h 58m

Puerto Vallarta Ordaz

Tue 6/30

2:40 pm-11:05 pm

1 stop9h 25m

$505

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Thu 7/23

12:55 am-10:55 am

1 stop8h 00m

Cancun

Wed 7/29

5:50 pm-11:05 pm

1 stop7h 15m

$515

OntarioCancún

ONT - CUN

ONTCUN

Ontario

Wed 10/28

11:55 pm-12:40 pm

1 stop10h 45m

Cancun

Wed 11/4

1:45 pm-9:55 pm

1 stop11h 10m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/2

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Ontario to Mexico

Have a flexible travel schedule? Discover the best time to fly to Mexico from Ontario with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Mexico

What is the cheapest month to book a flight from Ontario to Mexico?

Currently, August is the cheapest month in which you can book a flight from Ontario to Mexico (average of $64). Flying from Ontario to Mexico in December is currently the most expensive (average of $625). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ONT to MX?

Find hourly flight availability from Ontario to Mexico. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 4, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Mexico as you normally would.

How often are flights from Ontario to Mexico delayed?

About 13% of weekly flights between Ontario and Mexico have experienced delays in the past year, with the average delay time being 119 minutes.

What is the most punctual flight time for Ontario to Mexico flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ontario to Mexico flights?

Over the last year, Volaris have had the lowest number of delays on this route, with just 13% of flights being delayed.

How far ahead should I book a flight from Ontario to Mexico?

The price you pay for your flight from Ontario to Mexico may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Mexico

Get insights into the airlines that provide service to Mexico. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Mexico. Reviews last updated June 4, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican Airlines from Ontario to Mexico by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Comfort

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

William Drew,Nov 2025

SJC - HNL

Flight crew was amazing! Usually they're very good on Southwest, but this crew went above and beyond. I have never ever seen so many rounds of drink service on a flight before.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Mexico. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Ontario to Mexico?

    For a flight from Ontario to Mexico, you will be flying from Ontario. Ontario (ONT) is just 3.1 mi from the center of the city.

  • How long is the flight from Ontario to Mexico?

    There are many flights that can get you from Ontario to Mexico in 6h 49m. Fly via Volaris, Delta, or United Airlines to get the fastest option. The distance from Ontario to Mexico is about 1278 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Ontario to Mexico one-way?

    To fly one-way, consider booking your trip with Volaris, which is currently one of the cheapest options available, starting at $32. Delta flights start at $127 while deals on Southwest start at $145 one-way.

  • What are the most popular routes from Ontario to Mexico?

  • Can I find deals for flights from Ontario to Mexico that include hotel bookings?

    Yes. In addition to deals on Ontario to Mexico flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Mexico?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Mexico.

  • Can I find deals for business class flights from Ontario to Mexico?

    Yes. Cheapflights offers flight deals from Ontario to Mexico by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to Mexico?

    Currently, August is the cheapest month in which you can book a flight from Ontario to Mexico (average of $64). Flying from Ontario to Mexico in December is currently the most expensive (average of $625). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ontario to Mexico

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Ontario to Mexico

Discover the top 8 airlines that operate flights from Ontario to Mexico. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
VolarisCheapest$108Average$347FlexibilityNo cancel feeOn-time79%
AeromexicoCheapest$149Average$359FlexibilityNo cancel feeOn-timeN/A
VivaCheapest$172Average$367FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$183Average$411FlexibilityNo cancel feeOn-time62%
DeltaCheapest$191Average$438FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$312Average$608FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$313Average$647FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$376Average$519FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.